16620690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{8269}}^1$

素因数の和:8346

約数の個数: 32

約数和(自身を含む): 40489920

約数和(自身を除く): 23869230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 670, 1005, 2010, 8269, 16538, 24807, 41345, 49614, 82690, 124035, 248070, 554023, 1108046, 1662069, 2770115, 3324138, 5540230, 8310345, 16620690]

約数ペア:

[(1, 16620690), (2, 8310345), (3, 5540230), (5, 3324138), (6, 2770115), (10, 1662069), (15, 1108046), (30, 554023), (67, 248070), (134, 124035), (201, 82690), (335, 49614), (402, 41345), (670, 24807), (1005, 16538), (2010, 8269)]